Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TSE-CR123-4 found under Retainer Battery Bo by Tactical Support Equipment Inc. The National Stock Number assigned to this part is 6140016131624, and the Federal Supply Class is 6140 Batteries Rechargeable. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like TSE-CR123-4.